Finding the Fourth Proportional to 2,875.30, 4,309.04 and 1,313.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.30 : 4,309.04 = 1,313.37 : x
2. Step 2: Convert to fraction form
   2,875.30/4,309.04 = 1,313.37/x
3. Step 3: Cross multiply
   2,875.30x = 4,309.04 × 1,313.37
4. Step 4: Simplify right side
   2,875.30x = 5,659,356.38
5. Step 5: Solve for x
   x = 5,659,356.38/2,875.30
6. Step 6: Final answer
   x = 1,968.27